db.transactions.insert([
  {
    "ccnum": "4444333322221111",
    "date": "2019-01-05",
    "amount": 100.12,
    "cvv": "1234",
    "exp": "09/2020"
  },
  {
    "ccnum": "4444123456789012",
    "date": "2019-01-07",
    "amount": 2400.18,
    "cvv": "5544",
    "exp": "02/2021"
  },
  {
    "ccnum": "4465122334455667",
    "date": "2019-01-29",
    "amount": 1450.87,
    "cvv": "9876",
    "exp": "06/2020"
  }
]);

